Simon Templar
Destamio
Gina
Lily (as Aimi Macdonald)
Marco Ponti
Donna Maria
Don Pasquale
Euston
The Major
Lo Zio
The Doctor
Maresciallo
The Bank Manager
The Maid
Giorgio
Cirano
Doorman
Barman (as Gabor Baraker)
Bertoli
Bus Driver
Hotel Reception Clerk
Renato (as Gertain Klauber)
Nino (as Richard Montez)
Woman Clerk
Airline Clerk (as Salmaan Peer)
Maitre 'D'
First Policeman
Lady in Club (uncredited)
Gang Member (uncredited)
Chauffeur (uncredited)
Actor (uncredited)